Chongqing Ximei Instrument Co., Ltd. is located in Chongqing, an important production base for gas meters. It is a key innovative enterprise and a national high-tech enterprise in Chongqing. The registered capital of the company is 100 million yuan, and it has production bases in Chongqing and Hebei. The Chongqing base covers an area of 30 acres, with a factory area of 24000 square meters, and the Hebei base covers an area of 15 acres, with a factory area of 10000 square meters, with a production capacity of over 2 million units (sets) per year. The company is composed of the Instrumentation, Software, and Mold business units, dedicated to the development of gas meter technology throughout the year. It has a comprehensive R&D team with professional skills in measurement, machinery, electronics, software, and communication, and has accumulated rich experience in gas meter measurement, structure, measurement and control, safety, and wireless communication. It has multiple patents and software achievements. The company has advanced research and development, inspection, and testing equipment in China, and has established a complete testing environment. The research and development level of intelligent and information-based gas meters is in a leading position. The company has advanced automated production lines and has introduced Industry 4.0 technologies such as transfer robots, automated glue coating, ultrasonic welding, AGV handling, automated warehouses, fully automatic packaging, automatic barcode recognition, and palletizing robots. It is also equipped with specialized inspection equipment such as sonic nozzles, optical inspection, and wireless communication. The production efficiency and product quality have reached the advanced level in China. At present, a complete production system from component production to product assembly and testing has been formed, and an information management method based on ERP has been established, with quality management reaching the level of traceability. The enterprise has passed ISO quality, environmental and occupational health system certification and complies with the OIML R31 standard of the International Organization for Weights and Measures. The company has a complete range of gas meter series products, including household membrane gas meters, industrial (commercial) membrane gas meters, IC card series gas meters, RF card series gas meters, wireless remote gas meters, IoT gas meters, gas enterprise information management systems, and mobile meter reading and payment platforms. The number of online operating products has reached millions, with stable and reliable performance, low failure rate, and can meet the needs of different customers. The company has hundreds of customers across major provinces in China and has a comprehensive marketing and after-sales service response system. It provides professional technical training and timely services to customers, including metrology planning, personnel training and assessment, information system construction, on-site services, remote monitoring, compatible design, bank interface development, and software hosting. It offers customers a systematic, secure, and advanced metrology fee system. The company actively improves its product technology level through cooperation. In 2016, it began to cooperate with Panasonic Corporation in Japan to develop ultrasonic gas meters and has successfully launched a series of ultrasonic gas meter products for household and business use. In the same year, it established a long-term school enterprise cooperation relationship with the School of Architecture and Engineering at Chongqing University, and used the technical theory of universities to establish a practical laboratory to demonstrate and test new products. In 2017, we collaborated with the American company Etron on gas meters and flow meters, complementing each other's strengths. Enhanced product competitiveness. The company adheres to the guiding principle of "innovation surpassing leadership", based on "using information technology to change the traditional meter reading market", and insists on continuously building a "high-level R&D team, high-performance products, and high-quality services", striving to "improve industry efficiency and enhance social progress".